Quality By Design
The rugged yet sophisticated design features an always-on 1.2” display, stainless steel or DLC coated bezel and construction tested to U.S. military standards.
A first-of-its-kind PacePro feature helps keep you on pace with grade-adjusted guidance as you run a course.
View advanced training metricsthat include running dynamics¹, heat- and altitude-adjusted VO2 max, recovery advisor and more.
Use preloaded activity profiles for ...
Corning Gorilla Glass 3 or Sapphire Crystal
fiber-reinforced polymer with metal rear cover
silicone, suede or nylon (20 mm)
Internal, rechargeable lithium battery provides up to 9 days of battery life in smartwatch mode, 6 hours in GPS mode with music and up to 34 days in battery saver mode.
View how various settings and sensors impact your watch’s battery life, so you can make battery-extending changes on the fly.
Enhanced optical heart rate¹ technology gauges the intensity of your fitness activities as well as heart rate variability to calculate your stress level score. It also tracks under water without a heart rate strap.
For altitude acclimation or sleep monitoring, a Pulse Ox² sensor uses light beams at your wrist to gauge how well your body is absorbing oxygen.
Optimize your body’s energy reserves, using heart rate variability, stress, sleep and other data to gauge when you’re ready to be active or when you may need to rest.